Phonon resonances in atomic currents through Bose-Fermi mixtures in optical lattices
Dateien
Datum
Autor:innen
Herausgeber:innen
ISSN der Zeitschrift
Electronic ISSN
ISBN
Bibliografische Daten
Verlag
Schriftenreihe
Auflagebezeichnung
URI (zitierfähiger Link)
DOI (zitierfähiger Link)
Internationale Patentnummer
EU-Projektnummer
DFG-Projektnummer
Forschungsförderung
Projekt
Open Access-Veröffentlichung
Sammlungen
Titel in einer weiteren Sprache
Publikationstyp
Publikationsstatus
Erschienen in
Zusammenfassung
We present an analysis of Bose-Fermi mixtures in optical lattices for the case where the lattice potential of the fermions is tilted and the bosons (in the superfluid phase) are described by Bogoliubov phonons. It is shown that the Bogoliubov phonons enable hopping transitions between fermionic Wannier-Stark states; these transitions are accompanied by energy dissipation into the superfluid and result in a net atomic current along the lattice. We derive a general expression for the drift velocity of the fermions and find that the dependence of the atomic current on the lattice tilt exhibits negative differential conductance and phonon resonances. Numerical simulations of the full dynamics of the system based on the time-evolving block decimation algorithm reveal that the phonon resonances should be observable under the conditions of a realistic measuring procedure.
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
Schlagwörter
Konferenz
Rezension
Zitieren
ISO 690
BRUDERER, Martin, T. H. JOHNSON, Stephen R. CLARK, Dieter JAKSCH, Anna POSAZHENNIKOVA, Wolfgang BELZIG, 2010. Phonon resonances in atomic currents through Bose-Fermi mixtures in optical lattices. In: Physical Review A. 2010, 82(4). ISSN 1050-2947. Available under: doi: 10.1103/PhysRevA.82.043617BibTex
@article{Bruderer2010Phono-12435, year={2010}, doi={10.1103/PhysRevA.82.043617}, title={Phonon resonances in atomic currents through Bose-Fermi mixtures in optical lattices}, number={4}, volume={82}, issn={1050-2947}, journal={Physical Review A}, author={Bruderer, Martin and Johnson, T. H. and Clark, Stephen R. and Jaksch, Dieter and Posazhennikova, Anna and Belzig, Wolfgang} }
RDF
<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/server/rdf/resource/123456789/12435"> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/41"/> <dcterms:abstract xml:lang="eng">We present an analysis of Bose-Fermi mixtures in optical lattices for the case where the lattice potential of the fermions is tilted and the bosons (in the superfluid phase) are described by Bogoliubov phonons. It is shown that the Bogoliubov phonons enable hopping transitions between fermionic Wannier-Stark states; these transitions are accompanied by energy dissipation into the superfluid and result in a net atomic current along the lattice. We derive a general expression for the drift velocity of the fermions and find that the dependence of the atomic current on the lattice tilt exhibits negative differential conductance and phonon resonances. Numerical simulations of the full dynamics of the system based on the time-evolving block decimation algorithm reveal that the phonon resonances should be observable under the conditions of a realistic measuring procedure.</dcterms:abstract> <dc:contributor>Clark, Stephen R.</dc:contributor> <dcterms:bibliographicCitation>Publ. in: Physical Review A 82 (2010), 043617</dcterms:bibliographicCitation> <dcterms:title>Phonon resonances in atomic currents through Bose-Fermi mixtures in optical lattices</dcterms:title> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:contributor>Johnson, T. H.</dc:contributor> <dcterms:rights rdf:resource="https://rightsstatements.org/page/InC/1.0/"/> <dc:contributor>Jaksch, Dieter</dc:contributor> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dc:creator>Belzig, Wolfgang</dc:creator> <dc:rights>terms-of-use</dc:rights> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/41"/> <dc:contributor>Posazhennikova, Anna</dc:contributor> <dc:contributor>Bruderer, Martin</dc:contributor> <dc:creator>Bruderer, Martin</dc:creator> <dc:creator>Clark, Stephen R.</dc:creator> <dcterms:issued>2010</dcterms:issued> <foaf:homepage rdf:resource="http://localhost:8080/"/> <dc:creator>Jaksch, Dieter</dc:creator> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/12435"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-07-07T09:02:58Z</dc:date> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-07-07T09:02:58Z</dcterms:available> <dc:creator>Posazhennikova, Anna</dc:creator> <dc:creator>Johnson, T. H.</dc:creator> <dc:language>eng</dc:language> </rdf:Description> </rdf:RDF>